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Finding the Fourth Proportional to 988,857.96, 1,483,344.84 and 381,649.56

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Solution

The fourth proportional to 988,857.96, 1,483,344.84 and 381,649.56 is: 572,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,857.96 : 1,483,344.84 = 381,649.56 : x
  2. Step 2: Convert to fraction form
    988,857.96/1,483,344.84 = 381,649.56/x
  3. Step 3: Cross multiply
    988,857.96x = 1,483,344.84 × 381,649.56
  4. Step 4: Simplify right side
    988,857.96x = 566,117,905,514.27
  5. Step 5: Solve for x
    x = 566,117,905,514.27/988,857.96
  6. Step 6: Final answer
    x = 572,496.69

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